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Qukich 2023-12-26 12:18:19 +03:00
parent 0cd965969e
commit 26c316f47a
1 changed files with 35 additions and 6 deletions
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37
hdlc/client.c
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@ -12,6 +12,11 @@ bool FLAG_FILL_BUFFER2 = false;
bool FLAG_FILL_BUFFER3 = false; bool FLAG_FILL_BUFFER3 = false;
bool FLAG_FILL_BUFFER4 = false; bool FLAG_FILL_BUFFER4 = false;
bool FLAG_SEND_BUFFER1 = false;
bool FLAG_SEND_BUFFER2 = false;
bool FLAG_SEND_BUFFER3 = false;
bool FLAG_SEND_BUFFER4 = false;
#define ERR_INVALID_DATA_SIZE -1 #define ERR_INVALID_DATA_SIZE -1
#define ERR_ALL_BUFFERS_FILL -2 #define ERR_ALL_BUFFERS_FILL -2
@ -69,23 +74,47 @@ int get_frame(struct Client* client, uint8_t buffer[], size_t lenBuffer){
switch (client->state) { switch (client->state) {
case CONNECTING: case CONNECTING:
if (client->connecting_frame_timeout <= 0){ if (client->connecting_frame_timeout <= 0){
control_send.frame = HDLC_FRAME_ACK; control_send.frame = S_FRAME;
control_send.seq_no = 1; control_send.seq_no = 1;
int ret = hdlc_frame_data(&control_send, NULL, 0, buffer, &lenBuffer); int ret = hdlc_frame_data(&control_send, NULL, 0, buffer, &lenBuffer);
if (ret < 0){ if (ret < 0){
printf("err in get_frame ACK: %d\n", ret); printf("err in get_frame S_FRAME: %d\n", ret);
} }
client->connecting_frame_timeout = CONNECT_FRAME_PERIOD; client->connecting_frame_timeout = CONNECT_FRAME_PERIOD;
} }
break; break;
case READY_STATE: case READY_STATE:
control_send.frame = HDLC_FRAME_DATA; control_send.frame = I_FRAME;
control_send.seq_no = 1; control_send.seq_no = 1;
if (FLAG_FILL_BUFFER1 && !FLAG_SEND_BUFFER1){
int ret = hdlc_frame_data(&control_send, buffer_data[0], SIZE_DATA_BUFFER, buffer, &lenBuffer); int ret = hdlc_frame_data(&control_send, buffer_data[0], SIZE_DATA_BUFFER, buffer, &lenBuffer);
if (ret < 0){ if (ret < 0){
printf("err in get_frame DATA: %d\n", ret); printf("err in get_frame I_FRAME: %d\n", ret);
}
FLAG_SEND_BUFFER1 = true;
}
if (FLAG_FILL_BUFFER2 && !FLAG_SEND_BUFFER2){
int ret = hdlc_frame_data(&control_send, buffer_data[1], SIZE_DATA_BUFFER, buffer, &lenBuffer);
if (ret < 0){
printf("err in get_frame I_FRAME: %d\n", ret);
}
FLAG_SEND_BUFFER2 = true;
}
if (FLAG_FILL_BUFFER3 && !FLAG_SEND_BUFFER3){
int ret = hdlc_frame_data(&control_send, buffer_data[2], SIZE_DATA_BUFFER, buffer, &lenBuffer);
if (ret < 0){
printf("err in get_frame I_FRAME: %d\n", ret);
}
FLAG_SEND_BUFFER3 = true;
}
if (FLAG_FILL_BUFFER4 && !FLAG_SEND_BUFFER4){
int ret = hdlc_frame_data(&control_send, buffer_data[3], SIZE_DATA_BUFFER, buffer, &lenBuffer);
if (ret < 0){
printf("err in get_frame I_FRAME: %d\n", ret);
}
FLAG_SEND_BUFFER4 = true;
} }
break; break;
} }